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Molality

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A solution of NaOH is prepared by dissolving 4g of NaOH in 500ml of solution. Calculate molarity of the solution

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Solution

Dear student ,

no. of moles of NaOH = 4 / 40 = 0.1 moles
Molarity = no of moles of the solute / vol. of the solution in L = 0.1 / 500 x 10^-3 = 0.2 M
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